upper low, cross says the coast into friday. and i think it will be the best chance of seeing rain. thursday into friday for your work week. best chance of rain, then, the cold system out of theç gulf o alaska. and by saturday night and sunday, plan on rain coming back into the forecast. for tonight, temperatures cooling off quickly. mid 30s and some low 30s possible. out there toward the east bay valley, to the north bay. no official0frost advisories, n localized areas, we could see the low to mid thirlts tomorrow morning. 40s in san fncisco and oakland. temperatures, low to mid 60s, san jose south. m slightly off shore, it will be cooler there. san francisco, a high of 60. 64 in oakland, and 63, again, around santa rosa.